Calibration results for an Elliott Speedometer, number 30066, from tests conducted on two separate dates.
| Identifier | ExFiles\Box 8\2\ 02-page42 | |
| Date | 14th May 1923 | |
| X613 HAWK(Aero Engine) NORTHCLIFFE SPEEDOMETER. Elliott Speedometer No. 30066 (3.5.23.) M. {Mr Moon / Mr Moore} P. H. {Arthur M. Hanbury - Head Complaints} (14.5.23) M. {Mr Moon / Mr Moore} P. H. {Arthur M. Hanbury - Head Complaints} INDICATED. ACTUAL. INDICATED. ACTUAL. 30 27.8 10 9.8 40 36.6 20 18.6 50 46.6 30 28.0 Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} | ||
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).